NihontoWatchSigned Tadayoshi (Hosokawa Minamoto) – Suishinshi Masahide School Kaei 3 (1851) – Late Edo Period Description This is a finely crafted and highly attractive signed Noihonto katana by Hosokawa (Minamoto) Tadayoshi (忠義), a distinguished swordsmith of the late Edo period, dated to Kaei 3 (1851). The blade is forged in shinogi-zukuri with a well-preserved ubu nakago, retaining its original signature—an important point for collectors of Shinshintō period swords. Tadakiyo is recognized as a leading smith of the school of Suishinshi Masahide, the founder of the Shinshintō movement, which sought to revive the traditions of classical Japanese swordmaking. As such, his work reflects a refined understanding of earlier styles combined with the precision of late Edo craftsmanship. Tadayoshi is recognized as a leading smith of the school of Suishinshi Masahide, the founder of the Shinshintō movement, which sought to revive the traditions of classical Japanese swordmaking. As such, his work reflects a refined understanding of earlier styles combined with the precision of late Edo craftsmanship. Hamon & Workmanship The hamon is a beautiful ko-chōji midare, mixed with subtle pointed elements (togariba), and enriched with visible sunagashi. The blade shows a strong and well-developed nie structure, with deep and thick nie giving the hamon a vivid and highly three-dimensional appearance. This combination of fine chōji activity, sharp variations, and rich nie creates a dynamic and visually captivating temper pattern—one of the most appealing features of this sword. Appreciation Blades by Tadayoshi are valued for their balance of classical inspiration and technical precision, reflecting the ideals of the Suishinshi Masahide school. This example stands out for its bright and lively hamon, strong nie, and elegant overall form, making it an excellent representative work of the late Edo period. Authentication This sword is accompanied by a certificate issued by the NBTHK (Nihon Bijutsu Token Hozon Kyokai), designating it as Tokubetsu Hozon Tōken (Especially Worthy of Preservation)—a level that indicates superior quality and historical importance. Koshirae (Ornate Mounting) The sword is accompanied by a refined koshirae in a restrained and practical aesthetic, consistent with the samurai taste of the late Edo period. The fuchi and kashira are decorated with high-relief dragonfly motifs, symbolically known in Japan as kachimushi or “victory insects.” The dragonfly, which never flies backward, was historically favored by samurai as a symbol of courage, determination, and unwavering advance, making it a powerful and meaningful motif in sword mountings. The tsuba is an iron sukashi guard of understated design, emphasizing functionality and balance rather than excessive ornamentation. Its simple openwork form complements the overall character of the mounting, reinforcing a refined and disciplined aesthetic. The tsuka is wrapped in black ito over samegawa stingray skin, with visible menuki providing subtle decorative accents beneath the wrap. The combination of materials and subdued tones gives the koshirae a cohesive and dignified presence. Collector’s Note For collectors of Shinshintō swords, works connected to the Suishinshi Masahide lineage hold particular importance, as they represent a conscious revival of classical sword traditions. A signed, ubu katana with Tokubetsu Hozon certification, combined with such refined chōji activity and strong nie, makes this blade both highly collectible and visually impressive. The blade includes a Certificate from the NBTHK Japan Sword Preservation Society, Tokubetsu Hozon Paper (certifying it as an extremely well-preserved sword).
Suishinshi Masahide School水心子正秀派
Offered by Samurai Store
Shinshinto · Musashi
67 pieces on the market now
At Hamachō in Edo, in the closing decades of the eighteenth century and the opening ones of the nineteenth, Suishinshi Masahide[[c:1]] gathered the school that would turn Japanese swordmaking back toward its medieval models. Born Kawabe Gihachirō at Akayu in Dewa in 1750, signing first as Suzuki Takahide and then Eikoku, he studied under the Shitahara smith Yoshihide of Musashi, took the name Masahide in An'ei 3, and served the Akimoto house of Yamagata before settling in Edo, where he worked for nearly fifty years. He is the founding figure of the shinshintō and the theorist of the fukko-tō (revival-sword) doctrine, the argument that the sword ought to return to its Kamakura forms. Around that teaching he drew a large body of pupils, among them Taikei Naotane, who would give the revival its fullest practical form, the future second Masayoshi (Hosokawa Morihide), and a wider Edo and provincial following that carried the program into the Mito, Yonezawa, Tsuyama, and Tatebayashi domains. The shared vocabulary of the school is the deliberate reach back into the koto traditions, worked over a tightly forged, often muji-toned ko-itame with thick ji-nie. Masahide's own prime hand was the Ōsaka-utsushi, the surging tōran-midare of Tsuda Sukehiro opening from a long yakidashi and the broad suguha after Inoue Shinkai, betrayed on even his closest copies by a blackish, coarse nie that spills from the ha into the ji. Naotane gave the revival its Bizen and Sōshū faces: a reverse-leaning chōji-midare with angular kaku-gunome and saka-ashi, modeled on the late-Kamakura Osafune masters Kagemitsu and Kanemitsu and anchored by a consciously revived midare-utsuri that no ordinary shinshintō steel carries, set beside a Sōshū notare with its whorled uzumaki-hada and coarse, striped nie. The pupils divided this inheritance along their own lines. Jirōtarō Naokatsu, Naotane's adopted son, took a Bizen-den led by a kataochi-gunome from Kanemitsu with a pervasive saka-gakari slant and chōji- or midare-utsuri in the ji.
Suishinshi Masatsugu reproduced Naotane's two traditions, Sōshū and Bizen, down to the cut of his signature. Through Masayoshi the Bizen current passed to his heir Hosokawa Masamori of Tsuyama, whose chōji clusters mixed with gunome-chōji and togariba. The Osaka wave traveled separately into Mito through Naoe Sukemasa, who set a Shinkai-styled suguha and a Sukehiro tōran over a clear ko-itame, while Chōunsai Tsunatoshi of the Uesugi service carried a nioi-deki chōji mixed with gunome, suguha, and tōran-midare, often with carving by his own hand. To kantei the school is to weigh a tradition consciously copied against the period marks the copy cannot shed: the constant of the line is that the hamon is never the pure nioi-deki of old Bizen but carries nie throughout, a difference the NBTHK names outright as the divide between koto and shinshintō. The revived utsuri in Naotane and Naokatsu, the spilling nie in Masahide, the whorled uzumaki-hada shared across the line, and the broad, thick-kasane late-Edo sugata are the surest tells, narrowed further by the school's habit of full, dated signatures that make these smiths among the most exactly knowable of their age. Masahide stands at the head as the teacher and theorist, his finest work in his Ōsaka copies rather than the doctrine he proclaimed; Naotane stands ahead of him in execution, his Bizen-den held the finest among the shinshintō. Their pupils define the late-Edo Osafune and Sōshū revivals as practiced through Edo and the domains, with Naokatsu and Masatsugu read as the next hands after Naotane and Masayoshi. The provenance of the school runs through domain commission and bestowal (Mito blades forged at the Kōrakuen by lordly order, Tsuyama and Yonezawa fief work, Naotane's Sanada daishō and a tachi recorded in Honma's inventory of the Imperial collection) rather than ancient daimyō transmission, fitting for a movement that, within a single generation at Edo, redrew the direction of nineteenth-century swordmaking by turning it back toward the old models. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Naotane直胤 | 1801-1837 | 40 |
| Masahide正秀 | 1777-1817 | 28 |
| Sukemasa助政 | 1804-1825 | 8 |
| Jirotaro Naokatsu直勝 | 1805-1858 | 7 |
| Masayoshi正義 | 1791-1860 | 5 |
The Shinshintō revival
Around 1800 Suishinshi Masahide argued in his writings that the craft must return to the old masters’ methods: the fukkotō revival. His greatest successor Naotane worked convincingly in Bizen and Sōshū manners that had been dead for centuries.
A Hozon-certified blade judged to show notably superior workmanship and a better state of preservation. The bar is higher: re-tempered blades and most unsigned Muromachi/Edo works are excluded.
The NBTHK (Nihon Bijutsu Tōken Hozon Kyōkai, the Society for the Preservation of Japanese Art Swords) is a public-interest incorporated foundation founded in 1948 and supervised by Japan’s Agency for Cultural Affairs (Bunkachō); it is based at the Japanese Sword Museum in Tokyo. Its expert panels physically examine each submitted work (shinsa) and issue a certificate (kanteishō) ranking it by artistic and historical merit. NBTHK papers are the most widely recognized standard of authentication for Japanese swords and fittings.
NBTHK official siteReturns accepted only for errors/damage: damaged or incorrect items reported by email within 10 calendar days; defective goods within 30 calendar days.
¥1,490,000
Certificate reading — 銘 総州佐倉細川源忠義造 嘉永三年初春日